Gaskets
AssigneeFlexitallic Gaskets Limited
InventorColin Gee
Life of this patent
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Abstract
A spiral wound gasket is provided with an inner supporting ring coated with an elastomer material; it is preferably also provided with a plain metal outer guide ring.
Claims6
In a spiral wound gasket the improvement comprising the provision of an inner ring coated with an elastomer material, said inner ring lying radially inwardly of and coplanar with said gasket, said inner ring being in the form of an annulus having two opposed substantially flat faces as the major faces of said annulus, and on at least one of said major faces the elastomer material is formed into a sealing profile.
In a spiral wound gasket, the improvement comprising an inner ring having two opposed substantially flat faces as the major faces thereto, the entire inner ring coated with an elastomer material, said inner ring shaped to engage the inner circumference of the associated spiral wound gasket such that the inner ring lies radially inwardly of and coplanar with said gasket.
Dependencies are inferred from the claim text.